Ghainxmill



P. PERRY.

Grain Mill.

Patented Feb. 23, 1858.

UNITED STATES PATENT OFFICE.

PHILANDER PERRY, OF TROY, NEW YORK.

GRAIN-MILL.

Specification of Letters Patent No.

To all whom if may concern:

Be it known that I, PHILANDER PERRY, of Troy, Rensselaer county, and State of New York, have invented a new and useful improvement in the construction and operation of that kind of machine known as a portable hand and grain mill, used for grinding wheat, corn, oats, peas, &c., also corn in the ear, and may be operated either by the hand or by power; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of thesame, reference being had to the anneXed drawings, making a part of this specication.

Like letters refer to similar parts.

Figure 1 is a perspective view of the portable grain-mill; showing not only the whole combination, but the manner of gearing. A, A', is the frame. B, B, is the iy-wheel; and revolves in the direction of the arrow. C, is the shaft that supports the eccentric plates. E, is the gearing-shaft. F, is the feeder. G, G are eccentric plates or disks, revolving in opposite directions, and in eccentric circles, arranged on the shaft C. The eccentric plate G makes two revolutions, while the plate G makes one; the plate G is firmly fastened to shaft C, while the plate G revolves around shaft C. We arrange the two eccentric plates thus, for the purpose of preventing the mill from clog ging; it being obvious that eccentric plates constantly .changing their relative posit-ion, the mill must clear itself. D, D, D, D is the gearing arranged upon the fly-wheel B, B and shaft E, and the eccentric plate G, the cog-wheel D', and D are one-fourth the size of the iy-wheel B, B the cog-wheel D is twice the size of the small cog-wheels D, D, so that one revolution of the flywheel gives four revolutions to the small cog-wheels, and two to the cogged and eccentric plate G. We arrange the gearing thus not only for the purposes of economy, but also for greater permanency to the parts operated by the gearing. Another advantage gained, by rotating the two eccentric plates in opposite directions, is we can grind as much by a slow motion of the {1y-wheel, as is usually ground by a more rapid rotation.

Fig. 2, is a front view of the eccentric plates G, G, showing the eccentric-cone, on

19,441, dated February 23, 1858. l

the eccentric plate G, in connection with the concavity on plate G. H H is the eccentric cone, which rotates eccentrically in the direction of the arrow seen near the top of plate G', and in connection with the longitudinal crackers, the ends of which, as seen at, I, I, I, I; there are crackers, on the arms of the plate G. The advantage of the eccentric cone on the eccentric plate, rotating eccentrically in connection with the longitudinal crackers on the concave surface of the eccentric plate, is we prepare the coarser grains for the plates, before the grain gets to the surface off-"the plates; and thus, not only is a good degree of the labor of grinding performed, but it also leaves less work for the surface of the plates to do, and consequently the plates will not wear out so quick.

Fig. 3 is a sectional view of hopper F, the eccentric plates G, G', the cog-plate G, the eccentric cone H, H, and the crackers I, I.

Fig. t is a sectionaland front view of the eccentric plate G; the hopper F shows the place and manner of feeding both plates near the center. The hopper is stationary, while the eccentric plates revolve. `The arms of the plate Gare made on a bevel, so that they assist in the work of preparing the grain for the plates, for they act as revolving cutters.

What I claim as my invention, and desire to secure by Letters Patent, is.

1. The arranging two eccentric plates or disks upon one shaft, both plates revolving in opposite directions, for the purposes specified.

2. The arranging an eccentric cone upon eccentric and revolving plate, in connection with the crackers placed within the concave surface of the convex receiver for the purposes specified.

3. The manner of arranging the gearing upon the {1y-wheel, and the eccentric plate, for the purposes specified.

4. The arranging a stationary hopper on an eccentric and revolving plate, for the purpose specified.

Troy, Rens. county and State of N. Y.

PHILANDER PERRY.

Witnesses:

\ MoRRis CoUNsnLL,

H. MosHIRE. 

